Sungrow SG250HX-20
Manufacturer documented BR datasheet variant (EN-BR); the platform is sold globally verified Sept. 3, 2026
Identity
| category | inverters |
| ean | UNKNOWN |
| generation | HX '-20' generation |
| grid_type | 3 / PE, 800 V (no neutral) |
| hardware_revision | UNKNOWN |
| legacy_name | UNKNOWN |
| manufacturer | Sungrow |
| manufacturer_legal_entity | Sungrow Power Supply Co., Ltd. |
| market_version | EN-BR datasheet (Brazilian certification set: NBR16149, NBR16150, ABNT NBR IEC 62216) |
| model | SG250HX-20 |
| mpn | UNKNOWN |
| order_code | UNKNOWN |
| phase_configuration | three-phase (3 / PE, no neutral) |
| product_family | SG250HX-20 (HX utility-scale 1500 Vdc string inverter, -20 generation) |
| product_status | active |
| product_status_detail | active - Sungrow's own SG250HX-20 product page presents the product as current and the datasheet is dated 2024-12-24; note the base SG250HX (without '-20') is a separate, older model and is NOT covered by this record |
| product_status_evidence | official SG250HX-20 product page fetched 2026-09-03; datasheet dated 2024-12-24 |
| region | BR datasheet variant (EN-BR); the platform is sold globally |
| release_year | UNKNOWN |
| sku | UNKNOWN |
| subcategory | grid-tied PV string inverter (utility-scale, 1500 Vdc, no battery interface) |
| topology | transformerless (no galvanic isolation) |
| variant_note | '-20' is a generation marker: 6 MPPTs at 65 A with up to 4 inputs each, versus the 12-MPPT / 40 A architecture of SG285/320/350HX. Never collapse SG250HX-20 with SG250HX or with SG250HX-US. |
Electrical
| dc_ac_ratio | UNKNOWN |
| european_efficiency_pct | 98.8 |
| grid_frequency_range | 45 Hz - 55 Hz / 55 Hz - 65 Hz |
| max_ac_power_w | 275000 |
| max_apparent_power_va | 275 kVA @ 35 C |
| max_dc_short_circuit_current_total_a | 600 A stated as '6 * 100 A' |
| max_dc_voltage_v | 1500 |
| max_efficiency_pct | 99.02 |
| max_input_current_per_input_a | UNKNOWN |
| max_input_current_per_mppt_a | 65 |
| max_input_current_total_a | 390 A stated as '6 * 65 A' |
| max_output_current_a | 198.5 |
| max_pv_input_power_w | UNKNOWN |
| max_short_circuit_current_per_mppt_a | 100 |
| min_operating_voltage_v | 500 |
| mppt_voltage_max_v | 1500 |
| mppt_voltage_min_v | 500 |
| mppt_voltage_range_for_nominal_power | UNKNOWN |
| night_power_consumption | < 6 W |
| nominal_dc_voltage_v | 1080 |
| nominal_frequency | 50 Hz / 60 Hz |
| nominal_voltage | 3 / PE, 800 V |
| num_mppt | 6 |
| num_pv_inputs | up to 24 (max. 4 inputs per MPPT; official product page: 'Maximum 24 inputs') |
| oversizing_guidance | official product page: 'Maximum 24 inputs, accommodates varying DC/AC ratios' - no numeric ratio limit stated |
| power_factor_range | > 0.99 default; 0.8 leading - 0.8 lagging |
| rated_ac_power_w | 250 kW @ 40 C |
| rated_output_current_a | 180.5 |
| recommended_pv_power_w | UNKNOWN |
| startup_voltage_v | 550 |
| string_rules | 6 independent MPPTs, up to 4 PV inputs per MPPT (max. 24 inputs), 65 A per MPPT |
| strings_per_mppt | up to 4 |
| thd | < 1 % (rated condition) |
| voltage_range | 640 V - 920 V |
Physical / mechanical
| cooling | smart forced air cooling |
| dimensions_mm | 1148 mm * 779 mm * 371 mm |
| enclosure_material | UNKNOWN |
| mounting_type | ['UNKNOWN'] |
| weight_kg | <= 106 |
Installation
| ac_connector | OT / DT terminal (max. 400 mm2) |
| dc_connector | MC4-Evo2 (max. 6 mm2, optional 10 mm2) |
| indoor_outdoor | outdoor (IP66) |
| max_installation_altitude_m | 5000 m with derating above 4000 m |
| mounting_orientation | UNKNOWN |
Environment
| cooling | smart forced air cooling |
| corrosion_class | C5 |
| fan_replaceable | UNKNOWN |
| ip_rating | IP66 |
| max_altitude_m | 5000 (derating above 4000 m) |
| night_power_consumption | < 6 W |
| noise_db | UNKNOWN |
| operating_temperature | -30 C to 60 C |
| relative_humidity | UNKNOWN |
Interfaces & connectors
| bluetooth | yes (Bluetooth + APP) |
| can | none documented |
| communication_label | RS485; the official product page adds 'Power line communication (PLC) enabled' |
| display | LED, Bluetooth + APP |
| ethernet | not documented in the fetched datasheet |
| isolarcloud_dependency | iSolarCloud used for plant monitoring; no local-operation dependency stated |
| local_communication | RS485 / PLC |
| logger_support | NOT_LISTED in Compatibility List 4.3 |
| modbus_rtu | UNKNOWN |
| modbus_tcp | UNKNOWN |
| plc | yes (per the official product page) |
| register_map_availability | UNKNOWN |
| rs485 | yes |
| wifi | not documented |
| winet_support | NOT_LISTED - the Compatibility List 4.3 WiNet rows cover SGxxRS / SGxxRT / SGxxCX only |
Protection
| afci | not stated in the fetched HX datasheet protection row - UNKNOWN |
| anti_islanding | yes |
| dc_reverse_polarity | yes (DC reverse connection protection) |
| dc_switch | yes - the product page describes an 'intelligent DC switch with automatic fault cutoff' |
| grid_protection | grid monitoring; LVRT, HVRT, active and reactive power control, power ramp rate control, Q-U control, P-f control |
| insulation_monitoring | ground fault monitoring; PV string current monitoring; the official product page states '24h real-time AC and DC insulation monitoring' |
| pid | anti-PID capability |
| q_at_night | yes |
| rcmu | leakage current protection yes |
| spd | Type II DC and AC surge protection |
Certifications
| grid_codes | ['IEC 62109', 'IEC 61727', 'IEC 62116', 'IEC 60068', 'IEC 61683', 'NBR16149', 'NBR16150', 'ABNT NBR IEC 62216'] |
| note | this is the Brazilian (EN-BR) datasheet variant; other regional variants carry different grid-code lists |
Warranty & service
| extension_options | UNKNOWN |
| note | no warranty statement appears in the fetched datasheet extraction |
| standard_warranty | UNKNOWN |
Documents
datasheet
SG250HX-20 Datasheet V3 EN-BR (Sungrow document DS_20241224, mirrored on the ENF Solar CDN)
rev Version 3
user-manual
{# Located but never retrieved: listed, but deliberately not linked, and it
backs no stored value. #}
SG250HX-20 User Manual (Sungrow support centre) — located, not retrieved
rev UNKNOWN
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| identity.product_status | active - Sungrow's own SG250HX-20 product page presents the product as current and the datasheet is dated 2024-12-24; note the base SG250HX (without '-20') is a separate, older model and is NOT covered by this record |
| manufacturer_legal_entity_as_printed | Sungrow Power Supply Co., Ltd. |